Terrence Deigh
NPI 1588536809 · Mental Health Counselor · Rancho Cucamonga, CA
Terrence Deigh is a Mental Health Counselor provider in Rancho Cucamonga, CA (NPI 1588536809).
Provider details
- NPI number
- 1588536809
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- APCC16791 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-09-18
- Last updated
- 2025-09-18
- Certified
- 2025-09-18
Frequently asked questions
- What is Terrence Deigh's NPI number?
- Terrence Deigh's National Provider Identifier (NPI) is 1588536809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Terrence Deigh's specialty?
- Terrence Deigh is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Terrence Deigh located?
- Terrence Deigh's practice location on file with NPPES is 10130 Foothill Blvd, Rancho Cucamonga, CA 91730-6920.
- What is Terrence Deigh's phone number?
- The practice phone number listed in the NPPES registry for Terrence Deigh is (909) 684-0955.
- Is Terrence Deigh's NPI active?
- Yes — Terrence Deigh's NPI (1588536809) is active in the NPPES registry as of the last update on 2025-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.